package com.zwb.consumer.topics;

import com.rabbitmq.client.*;

import java.io.IOException;
import java.util.concurrent.TimeoutException;

public class Consumer_Topic1 {

    public static void main(String[] args) throws IOException, TimeoutException {
        //1、创建工厂
        ConnectionFactory factory = new ConnectionFactory();
        //2、设置参数
        //factory.setHost("192.168.1.100"); //默认localhost
        factory.setPort(5672);//默认5672
        factory.setVirtualHost("/itcast");// 默认/
        factory.setUsername("heima");// heima
        factory.setPassword("heima");// heima
        //3、创建连接Connection
        Connection connection = factory.newConnection();
        //4、创建Channel
        Channel channel = connection.createChannel();
        //5.队列已经声明一次了，这里不用再声明队列
        String queue1Name="test_topic_queue1";
        String queue2Name="test_topic_queue2";
        //6.接收消息
        /*
        basicConsume(String queue, boolean autoAck, Consumer callback)
        参数：
            1. queue：队列名称
            2. autoAck: 是否自动确认
            3. callback: 回调对象
         */
        Consumer consumer=new DefaultConsumer(channel){
            /*
                回调方法，当收到消息后，会自动执行该方法
                     1.consumerTag：标识
                     2.envelope：获取一些信息。交换机，路由key...
                     3.properties: 配置信息
                     4.body: 数据
             */
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
              /* System.out.println("consumerTag:"+consumerTag);
               System.out.println("exchange:"+envelope.getExchange());
               System.out.println("RoutingKey:"+envelope.getRoutingKey());
               System.out.println("properties:"+properties);*/
                System.out.println("body:"+new String(body));//byte数组转string字符串
                System.out.println("将日志信息打印到控制台");
            }
        };
        channel.basicConsume(queue2Name,true,consumer);
        //关闭资源？不要，因为消费者要监听
    }


}

